Question about Texas Instruments TI-83 Plus Calculator
If new batteries did not solve the problem, the next thing to check would be the battery terminal.
If the battery terminal is rusty, the battery power won't contact and the calculator won't turn on. So, use a flat small screw drive to scratch the battery terminal so that there would be contact.
If the above is not the problem, the next to check would be the wire connecting the battery terminal to the the calculator's main board. There is a wire between the battery terminal and the calculator board. When the battery is inserted, the power from the battery goes from the terminal to the board through this wire. There is a possibility that this wire is cut in-between or is loosing contact. In this case, you need to get a small screw driver and carefully disassemble the calculator in order to check the wire.
If the wire is intact, use a light brush to brush the calculator board as there might be dust on the board.
If non of the above helps, then it means the calculator is dead and needs a replacement.
Posted on Sep 13, 2011
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Posted on Jan 02, 2017
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